microman

Question 1

meningitis common organisms

Answer 1

strep pneumonia, neisseria meningitides and if over 60 listeria monocytogens

Question 2

laboratory investigations

Answer 2

lumbar puncture for CSF, blood cultures and throat swab

Question 3

encephalitis common organism

Answer 3

herpes simplex virus

Question 4

antibiotic rules for meningitis

Answer 4

• IV ceftriaxone is used but listeria monocyotgenes is resistant to cephalosporins but is sensitive to amoxicillin which is why you add is amoxicillin if the person is over 60

Question 5

antibiotic rules for herpes simplex virus

Answer 5

IV acyclovir

Question 6

epiglottis common organisms

Answer 6

haemophilus influenza type B followed by strep pneumonia

Question 7

most haemophilus influenza are sensitive to

Answer 7

amoxicillin but beta-lactamsae resistance is an issue which is why IV ceftriaxone is sued in life threatening infections caused by haemophilus influenza such as acute epiglottis

Question 8

tonsillitis common organism

Answer 8

strep progenies (group A strep)

Question 9

all beta haemolytic strep are

Answer 9

extremely sensitive to penicilin

Question 10

sinusitis most common organism

Answer 10

strep pneumonia

Question 11

acute otitis media common organisms

Answer 11

strep pneumonia, haemophilus influenza

Question 12

strep pneumonia and meningococci are sensitive to

Answer 12

penicillin but amoxicillin has better absorption than penicillin when given orally

Question 13

most strep pneumonia and hamoephilus influenza are sensitive to

Answer 13

doxycycline

Question 14

mild community acquired pneumonia most common organisms

Answer 14

strep pneumonia and hameophilus influenza§

Question 15

severe community acquired pneumonia most common organisms

Answer 15

strep pneumonia, hameophilus influenza but possible coliforms and atypicals= legionella, mycoplasma, chamydophillia psitaaci, coxiella, staph aureus

Question 16

staph aureus pneumonia is the pneumonia that occurs

Answer 16

post influenza

Question 17

acute exacerbations of COPD most common organism

Answer 17

streptococcus pneumonia and haemophilus influenza

Question 18

hospital acquired pneumonia most common organisms

Answer 18

strep pneumonia, hameohpilus influenza, coliforms, legionella

Question 19

investigations for severe pneumonia

Answer 19

send blood cultures, clotted blood for serology for atypical pneumonia, throat swab if virus suspected, sputum for bacterial cultures

Question 20

if sputum cultures cannot be obtained what can be carried out

Answer 20

broncheoalveolar lavage or tracheal aspirate when clinically indicated

Question 21

when is urine antigen used in pneumonia

Answer 21

legionella pneumonia serogorup 1

Question 22

co-amoxiclav covers

Answer 22

most haemohpilus influenza and coliforms in those with severe pneumonia (but not ESBL or carbapenamae producing enterobactirase)

Question 23

what is used for atypical cover in pneumonia

Answer 23

clarithromycin

Question 24

native valve endocarditis acute most common organism

Answer 24

staph aureus

Question 25

native valve endocarditis subacute most common organism

Answer 25

strep viridians, enteroccoci

Question 26

prosthetic valve endocarditis most common organism

Answer 26

staph epidermis

Question 27

endocarditis antibiotics require

Answer 27

high dosing (IV) to be administered over a long period of time (4-6 WEEKS) and they must be bactericidal in order to penetrate vegetations, eliminate bacteraemia and prevent septic emboli

Question 28

peritonitis/ biliary tract sepsis/ intra-abdominal infections most common organisms

Answer 28

polymicrobial with enteroccocia, coliforms and anaerobes

Question 29

spontaneous bacterial peritonitis most common organisms

Answer 29

coliforms +/- anaerobes, sometimes strep pneumonia

Question 30

cultures for intra-abdominal infections

Answer 30

blood cultures, she pus or other intra-abdominal samples as appropriate

Question 31

all anaerobes are sensitive to

Answer 31

metronidazole

Question 32

all coliforms are sensitive to

Answer 32

gentamicin and most to aztreonam

Question 33

most enterococci are sensitive to

Answer 33

amoxiccilin

Question 34

esbls are resistant to all

Answer 34

penicillins and cephalosporins including aztreonam, co-amoxiclav, piperacillin/ tazobactam but most are sensitive to temocillin and meropenem

Question 35

female uncomplicated UTIs most common organisms

Answer 35

coliforms and enteroccocci

Question 36

complicated UTIS. pyelonephritis, urosepsis most common organisms

Answer 36

coliforms, psuedomonas aerguinosa, enteroccocci

Question 37

65% of E.coli are sensitive to

Answer 37

TRIMETHOPRIM WHICH CAN BE USED IN UNCOMPLICATED UTIS

Question 38

cellultisi most common organisms

Answer 38

staph aureus, group A strep, and other beta haemolytic streptococci

Question 39

diabetic foot acute

Answer 39

staph aureus

Question 40

diabetic foot acute on chronic

Answer 40

staph aureus, coliforms and anaerobes

Question 41

cultures for skin and soft tissue infections

Answer 41

take wound swabs and if severe or systemic infection take blood cultures

Question 42

most common organism is septic arthritis/ osteomyelitis

Answer 42

staph aureus

Question 43

cultures for septic arthritis/ osteomyelitis

Answer 43

joints aspirates/ washouts and bone samples